Filtering by: Contributor Ballenger, Martha Remove constraint Contributor: Ballenger, Martha Contributor Stead, Eugene A. Remove constraint Contributor: Stead, Eugene A. Location Duke Medical Center Archives Remove constraint Location: Duke Medical Center Archives Subject Ballenger, Martha D. Remove constraint Subject: Ballenger, Martha D. Subject Delivery of Health Care -- manpower Remove constraint Subject: Delivery of Health Care -- manpower Subject Estes, E. Harvey (Edward Harvey), 1925- Remove constraint Subject: Estes, E. Harvey (Edward Harvey), 1925-